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Report on the 19th international symposium on geo-disaster reduction/high-level academic forum on disaster mitigation and integrated risk defense on the Plateau, 12–15 July 2021, Xining, China

Report on the 19th international symposium on geo-disaster reduction/high-level academic forum on... The joint event of 19th International Symposium on Geo-disaster Reduction (19ISGdR) and High-Level Academic Forum on Disaster Mitigation and Integrated Risk Defense on the Plateau was held on 11–15 July in Xining, Qinghai Province, China, focusing on the theme of “Geological disaster and integrated risk defense”. This event consisted of keynote lectures, invited lectures, and Youth forum, which provided a platform for scientists, industrial professionals and young scholars to share their research progress and exchange novel ideas on geo-disaster reduction in a hybrid way of offline and online. A post-symposium field trip for three days was also conducted in the joint area between Qinghai-Tibet plateau and Loess plateau. Introduction China), and Zhenjiang Shen (ICSPSD President/ Kanaz- The 19ISGdR/High-Level Academic Forum on Disaster awa University, Japan). Mitigation and Integrated Risk Defense on the Plateau The organizing committee of this event was led by event was jointly organized by the International Con- three Co-Chairs, Fenggui Liu (Academy of Plateau Sci- sortium on Geo-disaster Reduction (ICGdR), Qinghai ence and Sustainability, China/School of Geographic Sci- Normal University/Academy of Plateau Science and Sus- ences, Qinghai Normal University, China), Ningsheng tainable, People’s Government of Qinghai Province, Bei- Chen (Institute of Mountain Hazards and Environment, jing Normal University, Tongji University, Emergency CAS) and Qiang Zhang (Beijing Normal University, Management Department of Qinghai Province, and China). International Institute for Space Planning and Sustain- The joint event was focusing on the theme of “Geologi - able Development. cal disaster and integrated risk defense” with two stages, The academic committee of this event was led by three i.e., the online stage on 2nd July, and the onsite sympo- co-chairs, Peijun Shi (President of Qinghai Normal Uni- sium on 11–12 July, followed by a field trip in north part versity/Academy of Plateau Science and Sustainability, of Qinghai Province on 13–15 July. This event attracted China), Fawu Wang (ICGdR President/Tongji University, more than 100 scientists, engineers, young scholars from 11 countries who provided more than 50 academic pres- entations on five topics, including: (1) Formative mecha - *Correspondence: wangfw@tongji.edu.cn nism and the environment of geological disasters; (2) College of Civil Engineering, Tongji University, 1239 Siping Road, Recognition and early warning technology of geological Shanghai 20092, China disasters; (3) Risk assessment and prevention planning Full list of author information is available at the end of the article © The Author(s) 2021. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http:// creat iveco mmons. org/ licen ses/ by/4. 0/. Liu et al. Geoenviron Disasters (2021) 8:26 Page 2 of 8 of geological disasters; (4) Geological disaster control Onsite part of the event and geological environment protection; and (5) Prac- The onsite part of the event includes one day symposium tice of geological disaster prevention and mitigation and on 12 July and three days post-symposium field trip on regional sustainable development. 13–15 July. Below are the details. The presentations were carried out in one Plenary Session of keynote lectures and three Parallel Sessions Plenary session including Invited Lectures and Youth Forum. As usual, Opening ceremony Youth Forum was organized to provide a platform for the The opening ceremony was chaired by Prof. Ningsheng young scholars to present and share their research pro- Chen, researcher from the Institute of Mountain Hazards gress and novel ideas. and Environment, Chinese Academy of Sciences (CAS) (Fig.  1a). Prof. Guangchao Cao, the vice president of Online part of the event Qinghai Normal University, expressed warm welcome to The online part was conducted on 2 July using the cloud all the attendance on behalf of the host at first, and then meeting software. Before the academic presentation, presented a brief introduction on the university develop- the 2021 General Board of Members meeting of Inter- ment and recent status about the disaster mitigation and national Consortium on Geo-disaster Reduction (2021 the integrated risk defense on the plateau, and closed his GBM-ICGdR) was conducted. The meeting was focus - speech with the best wishes for a successful event and a ing on the annual development and further plans of the bright future of ICGdR (Fig. 1b). Then, Prof. Fawu Wang, consortium. In the academic presentation, Prof. Sabatino the president of ICGdR, expressed his appreciation to Cuomo (University of Salerno, Italy) presented the key- the organizing committee and all the working staffs. He note lecture titled as “Protection measures against flow- briefly introduced the establishment and development like landslides”, and Prof. Guoquan Wang (University of history of ICGdR, from its forerunner, original missions, Houston, USA) presented the keynote lecture titled as structures and members, to the impressive and exciting “Stable geodetic reference frames for long-term geologi- activity of the consortium during the last decade (Fig. 1c). cal hazards monitoring in China”. At the end of the opening ceremony, Prof. Fawu Wang The online Youth Forum had 5 young scholars pre - presented the membership certificate to the new mem - sented their recent research. They are Dr. Yuko Serikawa bers of ICGdR (Fig.  2) and best paper award to the (National Institute of Technology, Fukui College, Japan), winner of 2020 Best Paper Award of Geoenvironmen- Mr. Takumi Murata (Kanazawa University, Japan), Ms. tal Disasters, the official journal of ICGdR (Fig.  3). The Angela Di Perna (University of Salerno, Italy), Dr. Akira new memberships included: Chong Xu and Xiwei Xu Murata (Kanazawa University, Japan) and Mr. Daiki (National Institute of Natural Hazards, Ministry of Emer- Nishiyama (Kanazawa University, Japan). gency Management of China), Shimei Wang (China At last, Prof. Fawu Wang, the president of ICGdR made Three Gorges University), Yonggang Jia (Ocean Univer - a brief conclusion and expressed the thanks to all the sity of China), Fenggui Liu (Qinghai Normal Univer- board members and young scholars to participate this sity), Yifei Cui (Department of Hydraulic Engineering, activity in the special online form during the worldwide Tsinghua University, China), as well as individual mem- COVID-19 pandemic occasion. bers, Yonggui Chen and Wuwei Mao (Tongji University, 1 Opening ceremony. a chaired by Prof. Ningsheng Chen, b welcome speech from Prof. Guangchao Cao, vice president of Qinghai Normal University, and c opening speech by Prof. Fawu Wang, the president of ICGdR Liu  et al. Geoenviron Disasters (2021) 8:26 Page 3 of 8 2 ICGdR President Fawu Wang bestowed the new ICGdR membership certificates to the members attended the event onsite 3 Best Paper Award 2020 of the ICGdR official journal: Geo-environmental Disaster (Dr. Rusydy’s online connection, representing all of the authorships) 4 Group photo of participants to the ISGdR 2021, 19ISGdR/High-Level Academic Forum on Disaster Mitigation and Integrated Risk Defense on the Plateau Liu et al. Geoenviron Disasters (2021) 8:26 Page 4 of 8 1,000 Euro, were awarded to the authors online, and Dr. Ibnu Rusydy received the award online representing all of the authors of the paper (Fig. 3). Finally, the opening ceremony was ended up with a group photo as shown in Fig. 4. Keynote lectures The ISGdR 2021 arranged 6 Keynote Lectures. The key - note lectures covered various topics related to the theme of this symposium, including geology and hydrogeology background of geo-disasters, mechanism analysis of geo- disasters, investigation methods, prevention and control measures, and so on (Fig.  5). The details of the keynote lectures, including topic titles, presenters and their affili - ations, were summarized in Table 1. Parallel sessions For a further discussion on the issues of geological disaster cases, regional feathers, investigation, mechanism, preven- tion and etc., the symposium set three parallel sessions. There were 10 invited lectures and more than 20 presenta - tions in the Youth Forum on the afternoon of 12 July. The information of the invited lectures was listed in Table 2. The parallel sessions provided platforms for experts and young scholars more in-depth exchanges and discus- 5 Photos of Keynote Lectures. a Prof. Fan Zhang, b Prof. Ningsheng sions. The young scholars got great opportunity to sum - Chen, c Prof. Huabin Wang, d Prof. Tonglu Li, e Prof. Yonggang Jia, d Chairman shows the certification for Prof. Shengwen Qi (online). marize and share their ideas and research progress, and got lots of encouragement and advices during the discus- sion. Figure  6 showed the presenters in the invited lec- ture session. China), Zili Dai (Shanghai University, China), Ningsheng Chen (Institute of Mountain Hazards and Environment, Closing ceremony Chinese Academy of Sciences), and Jidong Teng (Central As a prospect, the Promising Young Scientist Awards South University, China). of the 19th ISGdR were announced during the clos- The Best Paper Award 2020 of Geoenvironmental Dis - ing ceremony. Prof. Fawu Wang and representatives of asters was bestowed to the paper “Shallow crustal earth- ICGdR Board gave the certifications to the youth scholars quake models, damage, and loss predictions in Banda (Fig. 7). Aceh, Indonesia” by Ibnu Rusydy et  al. A cheque, worth Table 1 List of the presentations in keynote lecture session No. Title Presenter Affiliation K-1 Variation of sediment transport of rivers in Qinghai-Tibet Plateau Prof. Fan Zhang Institute of Tibetan Plateau Research, CAS K-2 Formation and Prevention of Mountainous Disasters Prof. Ningsheng Institute of Mountain and Environment, CAS Chen K-3 Microstructure evolution and mechanical properties of granite Prof. Huabin Wang Huazhong University of Science and Technology, China residual soil considering the free iron oxide K-4 Investigation for the failure mechanism of the Shanyang cata- Prof. Tonglu Li Chang’an University, China strophic rock landslide K-5 In-situ surveying equipment of engineering geology in complex Prof. Yonggang Jia Ocean University of China deep sea (SEEGeo) K-6 Experimental study on dynamic response of rock slope under Prof. Shengwen Qi Institute of Geology and Geophysics, CAS strong earthquake by large shaking table Liu  et al. Geoenviron Disasters (2021) 8:26 Page 5 of 8 Table 2 List of the invited lectures No. Title Presenter Affiliation L-1 Evolution process investigation on the landslide dam formation using a numerical and experimental Prof. Tingkai Nian Dalian University of Technology scheme L-2 Rockfall size prediction of gently inclined red-bed in Sichuan Basin Prof. Xiaoyan Southwest Jiaotong University Zhao L-3 Evolution mechanism of solid-fluid phase transition in the whole process of sand flow liquefaction Prof. Bin Ye Tongji University L-4 Investigation of the spatial variability of loess physical-mechanical properties Prof. Ling Xu Xi’an Jiaotong University L-5 The potential application of the Granular Jamming theory in geohazards reduction Prof. Hu Zheng Tongji University L-6 Study on the deformation characteristics of the giant Xiongba ancient landslide along the Jinsha River, Prof. Changbao Institute of Geomechanics, CAGS Tibet, China Guo L-7 Cooling effect of the intensified ventilation composite embankment in permafrost regions Prof. Hong Sun Shanghai Jiao Tong University L-8 Reconstruction of ground motion amplification based on an SMASS array site Prof. Ping Li China Institute of Disaster Prevention L-9 Study on the mechanical mechanism and application of plant ecological protection in the Northeast- Prof. Xiasong Hu Qinghai University, China ern part of the Qinghai-Tibet plateau 7 Prof. Fawu Wang and representatives of ICGdR Board bestowing the Promising Young Scientist certificates to the winners during the closing ceremony At last, Prof. Fawu Wang, on behalf of ICGdR, gave a closing speech and expressed sincere appreciation to the organizer and co-organizers for this special symposium during the worldwide COVID-19 pandemic period and sincerely looked forward to meeting all distinguished guests in the 20th ISGdR, which will be held in Kanaz- awa, Japan in August 2022. Post‑Symposium Field trip Followed the onsite symposium, a field trip to the north part of Qinghai Province was conducted on 13–15 July. 42 participants attended the field trip. This trip focused on the geological and topographical feathers at the bound- ary between Qinghai-Tibet Plateau and Loess Plateau. During the field trip, the group visited the Danxia land - 6 Plenary lectures in the parallel sessions presented by a Prof. Tingkai form near Qilian County in the Beihai Tibetan Autono- Nian, b Prof. Xiaoyan Zhao, c Prof. Bin Ye, d Prof. Ling Xu, e Prof. Hu mous Prefecture (Fig.  8). The red layered sedimentation Zheng, f Prof. Hong Sun, g Prof. Ping Li, h proxy of Prof. Xiasong Hu Liu et al. Geoenviron Disasters (2021) 8:26 Page 6 of 8 8 Group photo of field trip participants at the Danxia landform site near Qilian County and visited by the group. As shown in the photos dur- ing the trip, one of the landslides from the source area divided into two branches in the accumulation area (Fig. 11a). Figure 11b showed a typical circular landslide with a relatively intact landslide bench, while, Fig.  11c showed debris slides with a short sliding distance com- paring to a typical debris flow. Besides, a probable debris flow site was observed on the Qinghai-Tibet Plateau landform. Since there were large rocks with random dis- tribution and poor roundness on both sidewalls of the gully (see Fig.  12), it could be judged that this area was the accumulation fan of an old debris flow, and it might be impacted by another debris flow formed in the cur - rent gully. At the end of the field trip, the group passed through 9 On-site explanation and discussion during the field trip the Riyue Mountain, which is almost the joint between the Qinghai-Tibet Plateau and the Loess Plateau. At this site, the Loess Plateau landform was immediately charac- could be observed, and the layers were approximately terized by its Cenozoic faulted basins (Fig. 13). below a certain height, where we could imagine the Qinghai Province is the third largest province in China original terrain in the surrounding mountains and peaks with an area of 0.72 million k m . It is a huge Geology and (Figs. 9 and 10). Based on the above phenomena, it could Geo-disaster museum. This trip achieved the aims to let be considered that the lacustrine deposits distributed in more scholars and Geo-disaster engineers know about this Danxia landform area. After deposition, it appears Qinghai, and to deepen and apply basic researches on red due to the appropriate oxidation environment. It the main issues related to plateau science, environment could be speculated that large-scaled landslides occurred protection and sustainable economic and social develop- here, resulted in a formation of barrier lake and lacus- ment in Plateau areas. trine sedimentation. (Reported by Fenggui Liu (Qinghai Normal Univer- In Gangca County located on the Qinghai-Tibet Pla- sity, China), Guolong Zhu (Tongji University, China) and teau landform, several Geo-disaster sites were observed Fawu Wang (Tongji University, China). Liu  et al. Geoenviron Disasters (2021) 8:26 Page 7 of 8 10 The layered sedimentation and lacustrine deposits distributed in the Danxia landform area 11 The typical landslide sites on the Qinghai-Tibet Plateau during the field trip. a A landslide site distinguished by the surface vegetation, b A typical circular arc landslide with a relatively intact landslide bench, c A debris slide site with short sliding distance. 12 A debris flow site on the Qinghai-Tibet Plateau found during the field trip Liu et al. Geoenviron Disasters (2021) 8:26 Page 8 of 8 Author details Research Center of Plateau Disaster Reduction and Emergency Management, Chengxi District, Qinghai Normal University/Academy of Plateau Science and Sustainable, People’s Government of Qinghai Province & Beijing Normal University, China. No. 38 Wusi Xi Road, Xining City, Qinghai Province, China. College of Civil Engineering, Tongji University, 1239 Siping Road, Shang- hai 20092, China. Publisher’s Note Springer Nature remains neutral with regard to jurisdictional claims in pub- lished maps and institutional affiliations. 13 The loess plateau landform to the east of Riyue Mountain in Qinghai Province http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Geoenvironmental Disasters Springer Journals

Report on the 19th international symposium on geo-disaster reduction/high-level academic forum on disaster mitigation and integrated risk defense on the Plateau, 12–15 July 2021, Xining, China

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Abstract

The joint event of 19th International Symposium on Geo-disaster Reduction (19ISGdR) and High-Level Academic Forum on Disaster Mitigation and Integrated Risk Defense on the Plateau was held on 11–15 July in Xining, Qinghai Province, China, focusing on the theme of “Geological disaster and integrated risk defense”. This event consisted of keynote lectures, invited lectures, and Youth forum, which provided a platform for scientists, industrial professionals and young scholars to share their research progress and exchange novel ideas on geo-disaster reduction in a hybrid way of offline and online. A post-symposium field trip for three days was also conducted in the joint area between Qinghai-Tibet plateau and Loess plateau. Introduction China), and Zhenjiang Shen (ICSPSD President/ Kanaz- The 19ISGdR/High-Level Academic Forum on Disaster awa University, Japan). Mitigation and Integrated Risk Defense on the Plateau The organizing committee of this event was led by event was jointly organized by the International Con- three Co-Chairs, Fenggui Liu (Academy of Plateau Sci- sortium on Geo-disaster Reduction (ICGdR), Qinghai ence and Sustainability, China/School of Geographic Sci- Normal University/Academy of Plateau Science and Sus- ences, Qinghai Normal University, China), Ningsheng tainable, People’s Government of Qinghai Province, Bei- Chen (Institute of Mountain Hazards and Environment, jing Normal University, Tongji University, Emergency CAS) and Qiang Zhang (Beijing Normal University, Management Department of Qinghai Province, and China). International Institute for Space Planning and Sustain- The joint event was focusing on the theme of “Geologi - able Development. cal disaster and integrated risk defense” with two stages, The academic committee of this event was led by three i.e., the online stage on 2nd July, and the onsite sympo- co-chairs, Peijun Shi (President of Qinghai Normal Uni- sium on 11–12 July, followed by a field trip in north part versity/Academy of Plateau Science and Sustainability, of Qinghai Province on 13–15 July. This event attracted China), Fawu Wang (ICGdR President/Tongji University, more than 100 scientists, engineers, young scholars from 11 countries who provided more than 50 academic pres- entations on five topics, including: (1) Formative mecha - *Correspondence: wangfw@tongji.edu.cn nism and the environment of geological disasters; (2) College of Civil Engineering, Tongji University, 1239 Siping Road, Recognition and early warning technology of geological Shanghai 20092, China disasters; (3) Risk assessment and prevention planning Full list of author information is available at the end of the article © The Author(s) 2021. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http:// creat iveco mmons. org/ licen ses/ by/4. 0/. Liu et al. Geoenviron Disasters (2021) 8:26 Page 2 of 8 of geological disasters; (4) Geological disaster control Onsite part of the event and geological environment protection; and (5) Prac- The onsite part of the event includes one day symposium tice of geological disaster prevention and mitigation and on 12 July and three days post-symposium field trip on regional sustainable development. 13–15 July. Below are the details. The presentations were carried out in one Plenary Session of keynote lectures and three Parallel Sessions Plenary session including Invited Lectures and Youth Forum. As usual, Opening ceremony Youth Forum was organized to provide a platform for the The opening ceremony was chaired by Prof. Ningsheng young scholars to present and share their research pro- Chen, researcher from the Institute of Mountain Hazards gress and novel ideas. and Environment, Chinese Academy of Sciences (CAS) (Fig.  1a). Prof. Guangchao Cao, the vice president of Online part of the event Qinghai Normal University, expressed warm welcome to The online part was conducted on 2 July using the cloud all the attendance on behalf of the host at first, and then meeting software. Before the academic presentation, presented a brief introduction on the university develop- the 2021 General Board of Members meeting of Inter- ment and recent status about the disaster mitigation and national Consortium on Geo-disaster Reduction (2021 the integrated risk defense on the plateau, and closed his GBM-ICGdR) was conducted. The meeting was focus - speech with the best wishes for a successful event and a ing on the annual development and further plans of the bright future of ICGdR (Fig. 1b). Then, Prof. Fawu Wang, consortium. In the academic presentation, Prof. Sabatino the president of ICGdR, expressed his appreciation to Cuomo (University of Salerno, Italy) presented the key- the organizing committee and all the working staffs. He note lecture titled as “Protection measures against flow- briefly introduced the establishment and development like landslides”, and Prof. Guoquan Wang (University of history of ICGdR, from its forerunner, original missions, Houston, USA) presented the keynote lecture titled as structures and members, to the impressive and exciting “Stable geodetic reference frames for long-term geologi- activity of the consortium during the last decade (Fig. 1c). cal hazards monitoring in China”. At the end of the opening ceremony, Prof. Fawu Wang The online Youth Forum had 5 young scholars pre - presented the membership certificate to the new mem - sented their recent research. They are Dr. Yuko Serikawa bers of ICGdR (Fig.  2) and best paper award to the (National Institute of Technology, Fukui College, Japan), winner of 2020 Best Paper Award of Geoenvironmen- Mr. Takumi Murata (Kanazawa University, Japan), Ms. tal Disasters, the official journal of ICGdR (Fig.  3). The Angela Di Perna (University of Salerno, Italy), Dr. Akira new memberships included: Chong Xu and Xiwei Xu Murata (Kanazawa University, Japan) and Mr. Daiki (National Institute of Natural Hazards, Ministry of Emer- Nishiyama (Kanazawa University, Japan). gency Management of China), Shimei Wang (China At last, Prof. Fawu Wang, the president of ICGdR made Three Gorges University), Yonggang Jia (Ocean Univer - a brief conclusion and expressed the thanks to all the sity of China), Fenggui Liu (Qinghai Normal Univer- board members and young scholars to participate this sity), Yifei Cui (Department of Hydraulic Engineering, activity in the special online form during the worldwide Tsinghua University, China), as well as individual mem- COVID-19 pandemic occasion. bers, Yonggui Chen and Wuwei Mao (Tongji University, 1 Opening ceremony. a chaired by Prof. Ningsheng Chen, b welcome speech from Prof. Guangchao Cao, vice president of Qinghai Normal University, and c opening speech by Prof. Fawu Wang, the president of ICGdR Liu  et al. Geoenviron Disasters (2021) 8:26 Page 3 of 8 2 ICGdR President Fawu Wang bestowed the new ICGdR membership certificates to the members attended the event onsite 3 Best Paper Award 2020 of the ICGdR official journal: Geo-environmental Disaster (Dr. Rusydy’s online connection, representing all of the authorships) 4 Group photo of participants to the ISGdR 2021, 19ISGdR/High-Level Academic Forum on Disaster Mitigation and Integrated Risk Defense on the Plateau Liu et al. Geoenviron Disasters (2021) 8:26 Page 4 of 8 1,000 Euro, were awarded to the authors online, and Dr. Ibnu Rusydy received the award online representing all of the authors of the paper (Fig. 3). Finally, the opening ceremony was ended up with a group photo as shown in Fig. 4. Keynote lectures The ISGdR 2021 arranged 6 Keynote Lectures. The key - note lectures covered various topics related to the theme of this symposium, including geology and hydrogeology background of geo-disasters, mechanism analysis of geo- disasters, investigation methods, prevention and control measures, and so on (Fig.  5). The details of the keynote lectures, including topic titles, presenters and their affili - ations, were summarized in Table 1. Parallel sessions For a further discussion on the issues of geological disaster cases, regional feathers, investigation, mechanism, preven- tion and etc., the symposium set three parallel sessions. There were 10 invited lectures and more than 20 presenta - tions in the Youth Forum on the afternoon of 12 July. The information of the invited lectures was listed in Table 2. The parallel sessions provided platforms for experts and young scholars more in-depth exchanges and discus- 5 Photos of Keynote Lectures. a Prof. Fan Zhang, b Prof. Ningsheng sions. The young scholars got great opportunity to sum - Chen, c Prof. Huabin Wang, d Prof. Tonglu Li, e Prof. Yonggang Jia, d Chairman shows the certification for Prof. Shengwen Qi (online). marize and share their ideas and research progress, and got lots of encouragement and advices during the discus- sion. Figure  6 showed the presenters in the invited lec- ture session. China), Zili Dai (Shanghai University, China), Ningsheng Chen (Institute of Mountain Hazards and Environment, Closing ceremony Chinese Academy of Sciences), and Jidong Teng (Central As a prospect, the Promising Young Scientist Awards South University, China). of the 19th ISGdR were announced during the clos- The Best Paper Award 2020 of Geoenvironmental Dis - ing ceremony. Prof. Fawu Wang and representatives of asters was bestowed to the paper “Shallow crustal earth- ICGdR Board gave the certifications to the youth scholars quake models, damage, and loss predictions in Banda (Fig. 7). Aceh, Indonesia” by Ibnu Rusydy et  al. A cheque, worth Table 1 List of the presentations in keynote lecture session No. Title Presenter Affiliation K-1 Variation of sediment transport of rivers in Qinghai-Tibet Plateau Prof. Fan Zhang Institute of Tibetan Plateau Research, CAS K-2 Formation and Prevention of Mountainous Disasters Prof. Ningsheng Institute of Mountain and Environment, CAS Chen K-3 Microstructure evolution and mechanical properties of granite Prof. Huabin Wang Huazhong University of Science and Technology, China residual soil considering the free iron oxide K-4 Investigation for the failure mechanism of the Shanyang cata- Prof. Tonglu Li Chang’an University, China strophic rock landslide K-5 In-situ surveying equipment of engineering geology in complex Prof. Yonggang Jia Ocean University of China deep sea (SEEGeo) K-6 Experimental study on dynamic response of rock slope under Prof. Shengwen Qi Institute of Geology and Geophysics, CAS strong earthquake by large shaking table Liu  et al. Geoenviron Disasters (2021) 8:26 Page 5 of 8 Table 2 List of the invited lectures No. Title Presenter Affiliation L-1 Evolution process investigation on the landslide dam formation using a numerical and experimental Prof. Tingkai Nian Dalian University of Technology scheme L-2 Rockfall size prediction of gently inclined red-bed in Sichuan Basin Prof. Xiaoyan Southwest Jiaotong University Zhao L-3 Evolution mechanism of solid-fluid phase transition in the whole process of sand flow liquefaction Prof. Bin Ye Tongji University L-4 Investigation of the spatial variability of loess physical-mechanical properties Prof. Ling Xu Xi’an Jiaotong University L-5 The potential application of the Granular Jamming theory in geohazards reduction Prof. Hu Zheng Tongji University L-6 Study on the deformation characteristics of the giant Xiongba ancient landslide along the Jinsha River, Prof. Changbao Institute of Geomechanics, CAGS Tibet, China Guo L-7 Cooling effect of the intensified ventilation composite embankment in permafrost regions Prof. Hong Sun Shanghai Jiao Tong University L-8 Reconstruction of ground motion amplification based on an SMASS array site Prof. Ping Li China Institute of Disaster Prevention L-9 Study on the mechanical mechanism and application of plant ecological protection in the Northeast- Prof. Xiasong Hu Qinghai University, China ern part of the Qinghai-Tibet plateau 7 Prof. Fawu Wang and representatives of ICGdR Board bestowing the Promising Young Scientist certificates to the winners during the closing ceremony At last, Prof. Fawu Wang, on behalf of ICGdR, gave a closing speech and expressed sincere appreciation to the organizer and co-organizers for this special symposium during the worldwide COVID-19 pandemic period and sincerely looked forward to meeting all distinguished guests in the 20th ISGdR, which will be held in Kanaz- awa, Japan in August 2022. Post‑Symposium Field trip Followed the onsite symposium, a field trip to the north part of Qinghai Province was conducted on 13–15 July. 42 participants attended the field trip. This trip focused on the geological and topographical feathers at the bound- ary between Qinghai-Tibet Plateau and Loess Plateau. During the field trip, the group visited the Danxia land - 6 Plenary lectures in the parallel sessions presented by a Prof. Tingkai form near Qilian County in the Beihai Tibetan Autono- Nian, b Prof. Xiaoyan Zhao, c Prof. Bin Ye, d Prof. Ling Xu, e Prof. Hu mous Prefecture (Fig.  8). The red layered sedimentation Zheng, f Prof. Hong Sun, g Prof. Ping Li, h proxy of Prof. Xiasong Hu Liu et al. Geoenviron Disasters (2021) 8:26 Page 6 of 8 8 Group photo of field trip participants at the Danxia landform site near Qilian County and visited by the group. As shown in the photos dur- ing the trip, one of the landslides from the source area divided into two branches in the accumulation area (Fig. 11a). Figure 11b showed a typical circular landslide with a relatively intact landslide bench, while, Fig.  11c showed debris slides with a short sliding distance com- paring to a typical debris flow. Besides, a probable debris flow site was observed on the Qinghai-Tibet Plateau landform. Since there were large rocks with random dis- tribution and poor roundness on both sidewalls of the gully (see Fig.  12), it could be judged that this area was the accumulation fan of an old debris flow, and it might be impacted by another debris flow formed in the cur - rent gully. At the end of the field trip, the group passed through 9 On-site explanation and discussion during the field trip the Riyue Mountain, which is almost the joint between the Qinghai-Tibet Plateau and the Loess Plateau. At this site, the Loess Plateau landform was immediately charac- could be observed, and the layers were approximately terized by its Cenozoic faulted basins (Fig. 13). below a certain height, where we could imagine the Qinghai Province is the third largest province in China original terrain in the surrounding mountains and peaks with an area of 0.72 million k m . It is a huge Geology and (Figs. 9 and 10). Based on the above phenomena, it could Geo-disaster museum. This trip achieved the aims to let be considered that the lacustrine deposits distributed in more scholars and Geo-disaster engineers know about this Danxia landform area. After deposition, it appears Qinghai, and to deepen and apply basic researches on red due to the appropriate oxidation environment. It the main issues related to plateau science, environment could be speculated that large-scaled landslides occurred protection and sustainable economic and social develop- here, resulted in a formation of barrier lake and lacus- ment in Plateau areas. trine sedimentation. (Reported by Fenggui Liu (Qinghai Normal Univer- In Gangca County located on the Qinghai-Tibet Pla- sity, China), Guolong Zhu (Tongji University, China) and teau landform, several Geo-disaster sites were observed Fawu Wang (Tongji University, China). Liu  et al. Geoenviron Disasters (2021) 8:26 Page 7 of 8 10 The layered sedimentation and lacustrine deposits distributed in the Danxia landform area 11 The typical landslide sites on the Qinghai-Tibet Plateau during the field trip. a A landslide site distinguished by the surface vegetation, b A typical circular arc landslide with a relatively intact landslide bench, c A debris slide site with short sliding distance. 12 A debris flow site on the Qinghai-Tibet Plateau found during the field trip Liu et al. Geoenviron Disasters (2021) 8:26 Page 8 of 8 Author details Research Center of Plateau Disaster Reduction and Emergency Management, Chengxi District, Qinghai Normal University/Academy of Plateau Science and Sustainable, People’s Government of Qinghai Province & Beijing Normal University, China. No. 38 Wusi Xi Road, Xining City, Qinghai Province, China. College of Civil Engineering, Tongji University, 1239 Siping Road, Shang- hai 20092, China. Publisher’s Note Springer Nature remains neutral with regard to jurisdictional claims in pub- lished maps and institutional affiliations. 13 The loess plateau landform to the east of Riyue Mountain in Qinghai Province

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Geoenvironmental DisastersSpringer Journals

Published: Oct 5, 2021

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